Nike Sportswear Pantaloni 'CLUB' rosso bianco nero: In a post-Vaporfly world, the racing flat all but disappeared. It makes a return in the Streakfly.

  • Thicker than a traditional flat, the sole is made from ZoomX, a PEBA-based foam that’s light and bouncy.
  • It’s Nike’s Träningssko Nike MC Trainer för kvinnor Svart.
  • Womens Nike Dri-FIT Tempo Leopard Print.

Price: $160
Type: Racing Flat
Weight: 6.0 oz (men’s size 9)
Drop: 6 mm

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“Lighter is faster.” That’s always been the axiom for running-shoe designers—look back at the paper-thin racing flats of the 2000s, which were stripped to the bare minimum. But boy, did your legs take a beating by the end of a race.

Pantofi NIKE CT4080 007 Black Black Lime Ice Air Force 1 07 LV8 PS%, which, while not particularly heavy, was chunkier than those old flats and, somewhat surprisingly at the time, even faster. The magic, of course, is the PEBA-based foam and carbon-fiber plate. The combination proved so fast, the Vaporfly was worn in college cross-country races—Harvard’s men and women won the 2019 NCAA Division I Northeast Regional Championships, held on roads because the golf course in Buffalo was covered in snow and ice. It’s clear the Vaporfly has a great range from those 6K and 10K races up to a marathon (and beyond), but some runners wanted even less shoe for short road races like a 5K.

Nike Dunk High Rebel Sail DH3718-100, Nike’s Träningssko Nike MC Trainer för kvinnor Svart.

Nike ZoomX Streakfly

Nike ZoomX Streakfly

Everything about the Streakfly shoe is pared down from the Vaporfly. Its sole is thinner, but not nearly as thin as those old racers’. For example, the forefoot of this shoe is 26mm thick, whereas the Flyknit Streak 6 that we tested back in 2016 had a heel thickness of just 25mm. And the foam has been significantly upgraded: Traditional racing flats used EVA-based foams, but the Streakfly, of course, has ZoomX, the springy PEBA compound.

nike zoomx streakflyMore Images
Trevor Raab
after the Air Max 90 borrowed the OG Air Max BWs duds.

Unlike the Vaporfly, there’s no carbon-fiber plate here. Instead the shoe uses a short Pebax plate under the midfoot only, designed to stabilize your foot as you go through your stride—the waist of the shoe is quite narrow, and the foam is exceptionally soft and flexible, so the plate gives a moderate amount of control.

The foam, however, turns out to be our biggest CMFT-up. We love ZoomX—and Pebax in general—as we’ve seen it used not only on Nike’s Wmns but on a number of others, including our longtime favorite The Nike Air Force 1 Low "Savage Beast" was one of Nikes nike air max 90 hyper royal cd0881 102 release date info nike cortez good game white black red blue. But, in this setup, we found that the heel bottoms out too easily. If you heel strike or run downhill, you’ll feel the squish of the foam and then a firm “thunk” as your foot runs out of room to travel—the foam compresses as far as it’ll go.

nike zoomx streakflyMore Images
Trevor Raab
The Streakfly has a bunch of rubber underfoot for control when you’re running fast on pavement.

That sensation, however, is completely gone if you’re the type to land midfoot or forefoot. So that limits our recommendation here to speedy runners with an efficient stride. One tester who wore the Streakfly for a few threshold runs and a 20-miler says he’s still sticking with the Vaporfly for 5K and 10K races.

The see-through upper doesn’t stretch at all, but it’s roomy enough that it fits comfortably. And the offset lacing has just enough adjustability so that you can pull it as snug as you need.

Headshot of Jeff Dengate
Jeff Dengate
Runner-in-Chief

Nikes Dunk Low GS Halloween Is a Treat for the Kiddies Runner’s World and the director of product testing. He has tested and reviewed running Wmns, GPS watches, headphones, apparel, and more for nearly two decades. He regularly tests more than 100 pairs of Wmns each year, and once had a 257-day streak running in different models. Jeff can usually be found on the roads, racing anything from the mile to a marathon, but he also enjoys racing up mountains and on snowshoes. When he’s not running, you’ll probably find him CMFTing from a Pack making repairs and renovations to his house (he’s also director of product testing for Popular Mechanics).